Mental Math Worksheet

Recommended for 1st Grade — 5th Grade

New Worksheet

Mental Math Worksheet

Name: ____________________Date: ____________

Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.

20 problems

  1. 82 + 20 = ______
  2. 28 + 20 = ______
  3. 6 × 10 = ______
  4. 19 + 20 = ______
  5. 24 + 20 = ______
  6. 68 + 10 = ______
  7. 64 + 20 = ______
  8. 9 × 10 = ______
  9. 2 × 10 = ______
  10. 70 − 10 = ______
  11. 53 − 10 = ______
  12. 59 − 10 = ______
  13. 37 − 10 = ______
  14. 45 + 10 = ______
  15. 89 + 20 = ______
  16. 60 + 10 = ______
  17. 62 + 20 = ______
  18. 87 − 10 = ______
  19. 14 + 20 = ______
  20. 72 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath